Hydrocarbon-gas stove



(No Mode-1.) v A. M. BRAINARD.

V .HYDROGARBON GAS STOVE. No. 275,127. Patented Apr. 3, 1883.

UNITED STATES PATENT OFFICE.

ADELBERT M. BRAINARD, OF CHICAGO, ILLINOIS.

HYDRDCARBON-GAS STOVE.

SPECIFICATION forming part of Letters Patent No. 275,127, dated April 31883.

Application filed March 11, 1881. (No model.)

T 0 all whom it may concern Be it known that I, ADELB-ERT M. BRAIN- ARD,of Chicago, in the county of Cook and State of Illinois, have inventedcertain new and useful Improvements in Hydrocarbon- Gas Stoves; and I dohereby declare that the following is a full, clear, and exactdescription thereof, reference being had to the accompanying drawings,and to the letters of reference marked thereon, which form a part ofthis specification.

This invention relates to the class of vaporburning stoves or heatersprovided with a reservoir for liquid hydrocarbon, a generator, andburner with connecting-pipes, and has for its object to render theapparatus more compact, convenient, and safe, and in particular to adaptto this class of stoves the method of carrying the liquid to thegenerator by airpressure without increase, but rather with a diminution,of peril in so doing from the change made in the location of theliquid-reservoir.

To this'end the invention consists in the combination of partshereinafter specified, arranged in a particular manner, as set forth,and as indicated in the appended claims.

In the drawings, Figure 1 is an end elevation ofthe apparatus usuallycalled and herein referred to as a hydrocarbon-gas stove, and Fig. 2 isa side elevation of the same, both figures showing my improvement.

The same letter indicates the same part in both figures.

A is the stove top or table, of which A A are thelegs or supports.

B B may represent the gas generating and burner devices of the stove,which devices will be herein designated burners. They are here shown asof a peculiar form; but they may be of any desired or approved form orconstruction for all purposes of this invention.

G represents the main pipe, which supplies liquid hydrocarbon to theburners, and G G are the branches leading to the several burners.

A is a horizontal shelf supported from the legs A.

Ris the reservoir for the liquid hydrocarbon. Said reservoir is hereshown as resting on the shelf A but it may be in any other suitablemanner supported rigidly below the top A or by the legs A of the stove.Said reservoir is preferably made of east-iron and in a single piece, ornearly so. It has a screw-capped opening, R, discharging into thereservoir below .the top, by which it may be nearly but not entirelyfilled, and the main pipe Gr enters it by a close joint. Said pipeterminates near the bottom of the reservoir or tank, 1%, as shown bydotted lines in Fig. 2, If secured between the legs A, as shown, thereservoir It is clearly protected from injury or disturb ance.

P is a pump, preferably resting on the tank R, and communicatingtherewith by means of a pipe, 1 provided with a three-way cock, P whichallows air to be forced from the pump into the tank, and also allows theair to escape from the tank at the cock when properly turned for thepurpose.

P is a hand-lever for the pump, pivoted at one end to one of thestandards A of the stove-frame, and also pivoted to the piston-rod p ofthe pump P. Its free end is in form and position convenient to be seizedby the attendant. Valves G and G in pipe G cut off the flow of liquid tothe several burners.

in this class of stoves it has been the usual practice heretofore tosupport the reservoir at a-considerable elevation above the stove-topand burners for the purpose of obtaining a suitable head to give aproper flow of liquid to the" burners. of removing the reservoir to asafe distance from the flame of the burner, said reservoir hasbeen'generally raised to a much greater height than is necessary toproduce the flow required.

Perhaps for the further purpose The support of such elevated supply-tankhas side the limits of the stove-frame, it is more liable to beoverturned, fractured, or loosened in its connections than in its formerelevated place. In the construction shown, wherein the reservoir isplaced between the legs of the frame, the latter serves as a guard orprotector, and il' additionally secured, so as to be essentially rigidwith the stove-frame, the reservoir cannot be overturned withoutoverturning the 4 stove. In the construction here shown these objectionsare removed.

'When the stove is to be used the operator turns the cock P to givecommunication from the pump P to the reservoir R, and by one or moremovements of the lever P compresses air in said reservoir above thecontained liquid, so as to force the liquid to the burners. The cock isthen turned to retain the air so compressed. If an attempt is made tofill the reservoir while the burners are alight, the first step to suchoperation-namely, opening the inlet R-releases the pressure, and theflame at the burners is instantly extinguished. hen the use of the stoveis discontinued the cock P is turned to allow the compressed air toescape from the tank, whereupon the liquid in the pipes G and G flowsback to the reservoir, whence it cannot escape, except when againexpelled in the further use of the burners under the control of theattendant.

By arranging the inlet R to discharge below the top of the reservoirs,and thus at all times insuring an air-space above the liquid therein, asufiicient quantity of air maybe compressed above the liquid immediatelyafter filling the reservoir to force all of the liquid to the burnerswith a comparatively uniform pressure without again operating the pump.

Instead of a screw or other cap for the inlet R, a cock may be employed,as being better adapted to tightly close the same against the escape ofair.

I am aware that it is not new to raise liquid to a burner from a tankbelow the level of the- I'am aware that airpressure has been emreservoirarranged within and supported by the 7 frame, an air-pump, a pipearranged to receive from the air-pump and to discharge into thereservoir, a valve in said pipe accessible to the operator, and a valvedpipe leading from the reservoir to the burner, substantially asdescribed, and for the purposes set forth.

3. In a hydrocarbongas stove, the combination, with the stove-frame andan elevated burner or burners, of a reservoir for hydrocarbon liquid,located wholly beneath the burner, said reservoir being supported by theframe, and provided with an inlet for the hydrocarbon liquid, locatedata considerable distance below the top, so as to have a relativelylarge airspace above the liquid therein when fully supplied, means forcompressing air into said airspace, means for retaining the air when socompressed, and a pipe leading from the bottom of the reservoir to theburneror burners provided with suitable cook or cocks, wherebysufficient air may be compressed and retained in the reservoir whenfully supplied with liquid to force all of said liquid to the burnersata substantially uniform pressure.

4. In the hydrocarbon-gas stove described, having the cast-iron frame AA, elevated burner or burners B, reservoir It, pump P, and theconnections described, the reservoir and pump rigidly secured to theframe beneath the top A, and between the legs A, substantially as andfor the purposes set forth.

In testimony that I claim the foregoing as my invention I affix mysignature in presence of two witnesses.

ADELBERT M. BRAINARD.

\Vitnesses M. E. DAYTON, W. O. ADAMS.

